Circular saw



FIG. 1 is a rear elevational view of a circular saw showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a reduced front and right side perspective view thereof;

FIG. 8 is a reduced rear and left side perspective view thereof. 

The ornamental design for a circular saw, as shown and described. 